Overview
The LMZ12002TZ-ADJ/NOPB is a 2-A SIMPLE SWITCHER® power module produced by Texas Instruments. This module is designed as an easy-to-use step-down DC-DC solution, capable of driving up to 2-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. It operates within an input voltage range of 4.5 V to 20 V and can deliver an adjustable output voltage as low as 0.8 V. The module is available in an innovative package that enhances thermal performance and allows for both hand and machine soldering.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage Range | 4.5 | - | 20 | V |
| Output Voltage Range | 0.8 | - | 6 | V |
| Output Current | - | - | 2 | A |
| Maximum Total Power Output | - | - | 12 | W |
| Efficiency | - | - | Up to 92% | % |
| Operating Temperature Range | -40 | - | 125 | °C |
| Junction Temperature Range | -40 | - | 125 | °C |
| Thermal Shutdown | - | 165 | - | °C |
| Package Type | - | - | TO-PMOD (NDW) 7-Pin | - |
Key Features
- Integrated Shielded Inductor
- Simple PCB Layout
- Flexible Start-up Sequencing Using External Soft-Start Capacitor and Precision Enable
- Protection Against Inrush Currents and Faults Such as Input UVLO and Output Short Circuit
- Single Exposed Pad and Standard Pinout for Easy Mounting and Manufacturing
- Fast Transient Response for FPGAs and ASICs
- Low Output Voltage Ripple
- Pin-to-Pin Compatible With Family Devices: LMZ14203/2/1, LMZ12003/2/1
- Fully WEBENCH® Power Designer Enabled
- High Efficiency Reduces System Heat Generation
- Low Radiated Emissions (EMI) Tested to EN55022 Class B Standard
- Low External Component Count
- Operates at High Ambient Temperature With No Thermal Derating
Applications
- Point-of-load Conversions from 5-V and 12-V Input Rail
- Time-Critical Projects
- Space-Constrained High Thermal Requirement Applications
- Negative Output Voltage Applications (See AN-2027 SNVA425)
Q & A
- What is the input voltage range of the LMZ12002?
The input voltage range is from 4.5 V to 20 V.
- What is the maximum output current of the LMZ12002?
The maximum output current is up to 2 A.
- What is the output voltage range of the LMZ12002?
The output voltage range is from 0.8 V to 6 V.
- What are the key protection features of the LMZ12002?
The key protection features include thermal shutdown, input undervoltage lockout, output overvoltage protection, short circuit protection, and output current limit.
- How many external components are required to complete the power solution?
The LMZ12002 requires three external resistors and four external capacitors.
- What is the thermal shutdown temperature of the LMZ12002?
The thermal shutdown temperature is 165°C with a 15°C hysteresis.
- Is the LMZ12002 compatible with other family devices?
Yes, it is pin-to-pin compatible with LMZ14203/2/1 and LMZ12003/2/1 family devices.
- What is the efficiency of the LMZ12002?
The efficiency can be up to 92%.
- Does the LMZ12002 meet any specific EMI standards?
Yes, it is tested to EN55022 Class B Standard for low radiated emissions.
- What is the operating temperature range of the LMZ12002?
The operating temperature range is from -40°C to 125°C.
